144311444641 has 16 divisors (see below), whose sum is σ = 177766936704. Its totient is φ = 114082222464.

The previous prime is 144311444639. The next prime is 144311444657. The reversal of 144311444641 is 146444113441.

It is not a de Polignac number, because 144311444641 - 2¹ = 144311444639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144311444641.

It is not an unprimeable number, because it can be changed into a prime (144311444671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575956 + ... + 787621.

It is an arithmetic number, because the mean of its divisors is an integer number (11110433544).

Almost surely, 2^144311444641 is an apocalyptic number.

It is an amenable number.

144311444641 is a deficient number, since it is larger than the sum of its proper divisors (33455492063).

144311444641 is a wasteful number, since it uses less digits than its factorization.

144311444641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364760.

The product of its digits is 73728, while the sum is 37.

The spelling of 144311444641 in words is "one hundred forty-four billion, three hundred eleven million, four hundred forty-four thousand, six hundred forty-one".